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Liquid Crystals and their Application
Russian Journal Zhidkie kristally i ikh prakticheskoe ispol'zovanie Жидкие кристаллы и их практическое использование |
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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2015, 15 (2), 6—18. |
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Liquid Crystalline Compounds with Positive Dielectric Anisotropy
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V. S. Bezborodov1, V. I. Lapanik2, S. G. Mikhalyonok1
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Author affiliations
1Belarusian State Technological University,
13a Sverdlova St., Minsk, 220006, Belarus
E-mail: v_bezborodov@yahoo.com
2Institute of Applied Physics Problems, Belarusian State University,
7 Kurchatova St., Minsk, 220108, Belarus
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Abstract
In this paper we present the results of the investigations of liquid crystalline (LC) compounds with positive dielectric anisotropy. The analysis of the properties of polar mesomorphic compounds and the electrooptical and dynamic parameters of the LC compositions based upon them has shown that the polar liquid crystalline 1,3,2-dioxaborinane derivatives have several advantages in comparison with other analogous polar compounds. They are characterized by a low temperature formation and a wide temperature range of the nematic phase and allow to prepare liquid crystalline compositions with lower threshold voltage and faster switching times.
Keywords: liquid crystals; anisotropic compounds, properties of liquid crystalline compounds
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